US Bridges

N Fork Road over I-25

Fair

Johnson County, Wyoming · Kaycee - Buffalo · Structure no. AKL

Built
1971
54 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
342 ft
2 main spans
Daily traffic
29
2024 count
Owner
State
State Highway Agency

About this bridge

N Fork Road over I-25 is a steel continuous stringer/multi-beam or girder carrying N Fork Road over I-25 in Johnson County, Wyoming. It was built in 1971, so it is 54 years old, older than the Wyoming average of 48.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 29 vehicles a day, roughly 31% of them trucks, projected to reach 41 by 2043. The structure is 342 ft (104.2 m) long and 35 ft wide.

CarriesN Fork Road
CrossesI-25
LocationKaycee - Buffalo
RouteCounty Highway 0
StateWyoming
Coordinates43.75181, -106.62347
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78 US tons
Inventory rating46 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length342 ft (104.2 m)
Longest span169 ft (51.5 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29 (2024)
Projected traffic41 by 2043
Trucks31%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was N Fork Road over I-25 built?

It was built in 1971, making it 54 years old in 2025.

What condition is N Fork Road over I-25 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.

How much traffic does N Fork Road over I-25 carry?

About 29 vehicles per day (2024 count), of which roughly 31% are trucks.

How long is N Fork Road over I-25?

The structure is 342 ft (104.2 m) long with a longest span of 169 ft (51.5 m) and a deck 35 ft wide.

Who owns N Fork Road over I-25?

It is owned by the State Highway Agency.